Question

The volume of water vapour high in the regions of:
(A) Coastal areas
(B) Plateau regions
(C) Industrial areas
(D) All the above

Identify the true statement from the following:
(A) When fuel is ignited carbon dioxide is evolved.
(B) Dense forests contribute even distribution of carbon dioxide in atmosphere.
(C) In industrial area large quantity of carbon dioxide is found in the atmosphere.
(D) All the above.

Which of the following is / are working as air pressure?

(A) Ink filler
(B) Kerosene pump
(C) Air pump
(D) All

When we heat the tin we observe the side of the tin are pressed, because:

(A) Air exerts downward pressure
(B) Air exerts upward pressure
(C) Air exerts side ward pressure
(D) All the above​

Answer 1

Answer:

1 A

2 B

3 D

4 D

These are the answer

Answer 2

Answer:

1 a

2 b

3 d

4 d

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